Cordless headset telephone base



FIG. 1 is a perspective view of the cordless headset telephone baseshowing my new design;

FIG. 2 is right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view of thereof; and,

FIG. 7 is a rear view thereof.

The ornamental design for a cordless headset telephone base, as shown and described. 